Tommy Kirk

Dop - Martian Fellow #1 / Mr. Fast - Seattle Sun Reporter

Yvonne Craig

Dr. Bolen

Byron Lord

Col. Bob Page, U.S.D.S.

Roger Ready

Stimmons

Barnett Shaw

Man at Military Conference

Neil Fletcher

Secretary of Defense

Chet Davis

Network News Man

Ron Scott

George Edgley

Planetarium Director

Dick Simpson

Don Campbell

Bob Hazlett

James, Gas Station Attendant

Ann Palmer

U.S.D.S. Tech

Gordon Bulow

Bill Thurman

Drunk on Pier

Larry Buchanan